Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 20, 2015
0Patent Application Number
134877350
Date Filed
June 4, 2012
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
A multi-symbol indication apparatus, may include a plurality of light sources, each of the light sources emitting light of a single color, a plurality of filter units, each of the filter units installed above the light sources with different height each other and reflecting light of the single color corresponding to the relevant light source, wherein a symbol may be carved on each of the filter units, and a display cover installed above the filter units.
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